Bibliographic Details
| Title: |
Influence of Fermion Velocity Renormalization on Dynamical Mass Generation in QED3. |
| Authors: |
Chang Hao-Ran1 hrchang@mail.ustc.edu.cn, Wang Jing-Rong1, Wang Jing1 |
| Source: |
Chinese Physics Letters. May2012, Vol. 29 Issue 5, p1-4. 4p. |
| Subjects: |
Fermions, Quantum electrodynamics, Bosons, Renormalization (Physics), Gauge field theory, Electric charge, Quantum field theory |
| Abstract: |
We study dynamical fermion mass generation in (2+1)-dimensional quantum electrodynamics with a gauge field coupling to massless Dirac fermions and non-relativistic scalar bosons. We calculate the fermion velocity renormalization and then examine its influence on dynamical mass generation by using the Dyson-Schwinger equation. It is found that dynamical mass generation takes place even after including the scalar bosons as long as the bosonic compressibility parameter ξ is sufficiently small. In addition, the fermion velocity renormalization enhances the dynamically generated mass. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
